Check the listing for details. PARAMOTOR Tachometer Cylinder head Temp with recall/alarms/presets HOUR METER. Condition: New. Listed at 85.99 USD. PARAMOTOR you asked for a Gauge that wasn't a $599 Mychron 24hr shipping on 99% of my orders!!!!FREE $14 alloy mounting bracket included with all EBAY orders !!! YOU DON'T WANT TO SPEND $599 FOR A MYCHRON or Digatron monitor your engine RPM and Temperature and an HOURMETERrecord High RPM and High Temp and TIME RUNComes with under plug Cylinder Head Temp leadworks with 1 cylinder up to 8 cylinders engines 2 stroke or 4 strokeThe 2 most important tuning things you need to know when TUNING are MAX RPM reached and Max Engine temperature reached. Self Powered, Back Lit large display easy to read day or nightIf you want to be warned when you reach your preset max limits on your engine RPM and Temperature or time run GAUGE WILL FLASH AT ANY PRESET including TIMESelf Powered, Back Lit large display. Function details, 1.measures current temperature 2.MAX Temp Recall and User set Over Temp warning function (screen flashes) 3.Temperature C or F display can be set by user 4. Temperature sensor Comes with under plug CHT (cylinder head temp) lead 5.Measures / Displays current engine RPM 6.Record and view engine MAX RPM of each run 7.User set overspeed warning function (screen flashes) 8.RPM refresh rate 0.5S 9. Keep track total running time 10.recording partial running time each run 11.maintenance timer can be set for service SVC (change oil/plug based on time engine has run) OR SET FLIGHT TIME 12.save all data automaticly screen flashes for all User set warnings over temp and over rev. or time run IF you tune to RPM... This is an ideal tool to tune your engine to meet but not exceed that limit. I will pack these well and ship it USPS for FREE 48 States ONLY